144304397855 has 4 divisors (see below), whose sum is σ = 173165277432. Its totient is φ = 115443518280.

The previous prime is 144304397843. The next prime is 144304397869. The reversal of 144304397855 is 558793403441.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 144304397855 - 2¹² = 144304393759 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144304397797 and 144304397806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14430439781 + ... + 14430439790.

It is an arithmetic number, because the mean of its divisors is an integer number (43291319358).

Almost surely, 2^144304397855 is an apocalyptic number.

144304397855 is a deficient number, since it is larger than the sum of its proper divisors (28860879577).

144304397855 is an equidigital number, since it uses as much as digits as its factorization.

144304397855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28860879576.

The product of its (nonzero) digits is 7257600, while the sum is 53.

The spelling of 144304397855 in words is "one hundred forty-four billion, three hundred four million, three hundred ninety-seven thousand, eight hundred fifty-five".